Make JobList class ready for admin view.

app/static/js/JobList.js

@@ -1,11 +1,11 @@
 class JobList extends List {
-  constructor(idOrElement, options) {
+  constructor(idOrElement, subscriberList, options) {
     super(idOrElement, options);
-    jobsSubscribers.push(this);
+    subscriberList.push(this);
   }
 
 
-  _init() {
+  _init(jobs) {
     for (let [id, job] of Object.entries(jobs)) {
       this.addJob(job);
     }